package com.leaves.javamall.product.exception;

import com.leaves.common.exception.BizCodeEnum;
import com.leaves.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice(basePackages = "com/leaves/javamall/product/controller")
public class productExceptionHandler {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{},异常类型：{}",e.getMessage(),e.getCause());
        BindingResult result = e.getBindingResult();

        Map<String,String> map = new HashMap();
        result.getFieldErrors().forEach((fieldError)->{
            map.put(fieldError.getField(),fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data",map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(){
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(),BizCodeEnum.UNKNOW_EXCEPTION.getMsg());
    }
}
